(FILES): This April 8, 2014 file photo made during an escorted visit and reviewed by the US military shows an unidentified detainee walking in the excercise yard of the "Camp 6" detention facility at the US Naval Station in Guantanamo Bay, Cuba. A delegation of five European officials led by French former justice minister Rachida Dati will visit the US military detention center in Guantanamo Bay, Cuba this week, aides said November 30, 2014. Invited by the United States, the delegation's informal visit is meant to help give Europe ideas on how it can help the United States shut down the controversial jail once and for all. AFP PHOTO / MLADEN ANTONOV / FILES
